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掺石膏灰渣混合料的力学性质试验分析 被引量:4

Experimental Analysis of Mechanical Properties of Mixture of Fly Ash,Cinder and Gypsum
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摘要 为研究掺石膏灰渣混合料作为筑坝材料、路基材料等的工程适用性,对掺石膏灰渣混合料进行了物理力学性质试验,重点研究了五种脱硫石膏掺量的混合料的渗透性和抗剪强度。结果表明,混合料的渗透系数k、粘聚力c、内摩擦角φ均随脱硫石膏掺量的增加呈先增后减的趋势,且当石膏掺量均为30%时,渗透性最大,强度最高。故在实际工程中,可根据具体工程对渗透性和强度的要求选择不同石膏掺量的混合料。 The experiments for mechanical properties of mixture of ash-cinder and gypsum have been done to investigate engineering applicability of mixture.The permeability and shear strength of the mixture with 5gypsum contents have been mainly studied.The results show that the coefficient of permeability,cohesion and internal frictional angle firstly increased and then decreased with increase of gypsum content;the coefficient of permeability was larger and the shear strength was higher when gypsum content was 30%.So,the mixture with different gypsum content can be chosen for different requirements of permeability and shear strength,and it can be widely used in various engineering.
出处 《水电能源科学》 北大核心 2014年第11期121-123,88,共4页 Water Resources and Power
关键词 脱硫石膏 灰渣混合料 渗透性 抗剪强度 gypsum ash-cinder mixture permeability shear strength
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